大约有 47,000 项符合查询结果(耗时:0.0882秒) [XML]

https://stackoverflow.com/ques... 

Remove empty lines in text using Visual Studio

...t + T + O Under Environment tab > Keyboard Search for "DeleteBlank" and select Edit.DeleteBlankLines Add a new shortcut for example Ctrl+D,Ctrl+E Assign > OK select all text and hit the shortcut share | ...
https://stackoverflow.com/ques... 

How do I display a text file content in CMD?

...e lines in the text file simply read the file using Get-Content, then have Select-Object pick out the last five items/lines for you: Get-Content c:\scripts\test.txt | Select-Object -last 5 Source: Using the Get-Content Cmdlet ...
https://stackoverflow.com/ques... 

How to get a group of toggle buttons to act like radio buttons in WPF?

...ike toggle buttons, but also as radio buttons where only one button can be selected / pressed down at a current time. It also need to have a state where none of the buttons are selected / pressed down. ...
https://stackoverflow.com/ques... 

ComboBox: Adding Text and Value to an Item (no Binding Source)

...ext1"; item.Value = 12; comboBox1.Items.Add(item); comboBox1.SelectedIndex = 0; MessageBox.Show((comboBox1.SelectedItem as ComboboxItem).Value.ToString()); } share | improve this...
https://stackoverflow.com/ques... 

How to get the max of two values in MySQL?

... Use GREATEST() E.g.: SELECT GREATEST(2,1); Note: Whenever if any single value contains null at that time this function always returns null (Thanks to user @sanghavi7) s...
https://stackoverflow.com/ques... 

How to join int[] to a character separated string in .NET?

... var ints = new int[] {1, 2, 3, 4, 5}; var result = string.Join(",", ints.Select(x => x.ToString()).ToArray()); Console.WriteLine(result); // prints "1,2,3,4,5" EDIT: As of (at least) .NET 4.5, var result = string.Join(",", ints.Select(x => x.ToString()).ToArray()); is equivalent to: v...
https://stackoverflow.com/ques... 

Data structure: insert, remove, contains, get random element, all at O(1)

...o other solutions). The requirement that's tricky is the "random element" selection: in a hash table, you would need to scan or probe for such an element. For closed hashing / open addressing, the chance of any given bucket being occupied is size() / capacity(), but crucially this is typically kep...
https://stackoverflow.com/ques... 

How to map calculated properties with JPA and Hibernate

...e float finalPrice; Or even complex queries on other tables: @Formula("(select min(o.creation_date) from Orders o where o.customer_id = id)") private Date firstOrderDate; Where id is the id of the current entity. The following blog post is worth the read: Hibernate Derived Properties - Perform...
https://stackoverflow.com/ques... 

How to get all child inputs of a div element (jQuery)

... Now I'm confused... The : is for pseudo-classes, isn't it? But we want to select an element type. Why the :? – mnemosyn Mar 8 '10 at 16:15 11 ...
https://stackoverflow.com/ques... 

How to find the mysql data directory from command line in windows

... the following command line: mysql -s -N -uUSER -p information_schema -e 'SELECT Variable_Value FROM GLOBAL_VARIABLES WHERE Variable_Name = "datadir"' The command will select the value only from mysql's internal information_schema database and disables the tabular output and column headers. Outp...